Mobile device accessory



FIG. 1 is a first perspective view of a mobile device accessory;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines are directed to environment and are for illustrative purposes only. Broken lines form no part of the claimed design. 

CLAIM We claim the ornamental design for a mobile device accessory, as shown and described. 